Home / 21,045.96-29,043.16-11,613.92

Finding the Fourth Proportional to 21,045.96, 29,043.16 and 11,613.92

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Solution

The fourth proportional to 21,045.96, 29,043.16 and 11,613.92 is: 16,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.96 : 29,043.16 = 11,613.92 : x
  2. Step 2: Convert to fraction form
    21,045.96/29,043.16 = 11,613.92/x
  3. Step 3: Cross multiply
    21,045.96x = 29,043.16 × 11,613.92
  4. Step 4: Simplify right side
    21,045.96x = 337,304,762.54
  5. Step 5: Solve for x
    x = 337,304,762.54/21,045.96
  6. Step 6: Final answer
    x = 16,027.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.